call load_wallet and close_wallet for each plugin

lib/plugins.py

@@ -45,16 +45,17 @@ def run_hook(name, *args):
     for p, f in f_list:
         if name == 'load_wallet':
             p.wallet = args[0]
-        if not p.is_enabled():
-            continue
-        try:
-            r = f(*args)
-        except Exception:
-            print_error("Plugin error")
-            traceback.print_exc(file=sys.stdout)
-            r = False
-        if r:
-            results.append(r)
+        if p.is_enabled():
+            try:
+                r = f(*args)
+            except Exception:
+                print_error("Plugin error")
+                traceback.print_exc(file=sys.stdout)
+                r = False
+            if r:
+                results.append(r)
+        if name == 'close_wallet':
+            p.wallet = None
 
     if results:
         assert len(results) == 1, results
@@ -92,8 +93,12 @@ class BasePlugin:
 
     def init_qt(self, gui): pass
 
+    @hook
     def load_wallet(self, wallet): pass
 
+    @hook
+    def close_wallet(self): pass
+
     #def init(self): pass
 
     def close(self): pass